﻿using System;
using System.Collections.Generic;
using System.Text;
using System.IO;

namespace Lite.ExcelLibrary.BinaryFileFormat
{
    /// <summary>
    /// This record specifies the width and default cell formatting for a given range of columns.
    /// </summary>
    public partial class COLINFO : Record
    {
        public COLINFO(Record record) : base(record) { }

        public COLINFO()
        {
            this.Type = RecordType.COLINFO;
        }

        /// <summary>
        /// Index to first column in the range
        /// </summary>
        public UInt16 FirstColIndex;

        /// <summary>
        /// Index to last column in the range
        /// </summary>
        public UInt16 LastColIndex;

        /// <summary>
        /// Width of the columns in 1/256 of the width of the zero character, using default font (first
        /// FONT record in the file)
        /// </summary>
        public UInt16 Width;

        /// <summary>
        /// Index to XF record for default column formatting
        /// </summary>
        public UInt16 XFIndex;

        /// <summary>
        /// Option flags
        /// </summary>
        public UInt16 OptionFlags;

        /// <summary>
        /// Not used
        /// </summary>
        public UInt16 NotUsed;

        public override void Decode()
        {
            MemoryStream stream = new MemoryStream(Data);
            BinaryReader reader = new BinaryReader(stream);
            this.FirstColIndex = reader.ReadUInt16();
            this.LastColIndex = reader.ReadUInt16();
            this.Width = reader.ReadUInt16();
            this.XFIndex = reader.ReadUInt16();
            this.OptionFlags = reader.ReadUInt16();
            this.NotUsed = reader.ReadUInt16();
        }

        public override void Encode()
        {
            MemoryStream stream = new MemoryStream();
            BinaryWriter writer = new BinaryWriter(stream);
            writer.Write(FirstColIndex);
            writer.Write(LastColIndex);
            writer.Write(Width);
            writer.Write(XFIndex);
            writer.Write(OptionFlags);
            writer.Write(NotUsed);
            this.Data = stream.ToArray();
            this.Size = (UInt16)Data.Length;
            base.Encode();
        }

    }
}
